I think my ideas are at least partially clear. Unless I had a huge 10HP, 80 gallon compressor or something like that. I believe that I would want to change the air compressor oil after such constant running of my compressor.

You can get a wet vane pump from Robinaire or somebody for about $200 and have a really good piece of equipment that will serve a DIYer for a lifetime.

My $0.02,